Twist Drill (Parts And Important Angles) हिन्दी
7:00
Drilling,Boring And Reaming (Understand Easily In हिन्दी
25:00
Machining Tools: Twist Drill Geometry
8:58
Drilling Machine Operations (हिन्दी )
16:03
Types Of Drilling Machine(Portable,Sensitive And Upright) हिन्दी
9:18
What is Drill and U-drill || Difference between Drill and U- drill ||ड्रिल और यू ड्रिल में अंतर ||
18:30
Flycutter Tool Geometry vs. Chipped Parts
16:26
Drill Angles (हिन्दी), Cutting Angle, Clearance Angle, Helix Angle, Rake Angle
6:42